Octadecane
Octadecane
CAS: 593-45-3
Molecular Formula: C18H38
Octadecane - Names and Identifiers
| Name | Octadecane |
| Synonyms | Octadecane n-Octadecane n-Octadecane 0 n-Octadecane for synthesis Octadecane [Standard Material for GC] N-OCTADECANE REFERENCE SUBSTANCE FOR GAS |
| CAS | 593-45-3 |
| EINECS | 209-790-3 |
| InChI | InChI=1/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3 |
Octadecane - Physico-chemical Properties
| Molecular Formula | C18H38 |
| Molar Mass | 254.49 |
| Density | 0.777g/mLat 25°C(lit.) |
| Melting Point | 28 °C |
| Boling Point | 317°C(lit.) |
| Flash Point | 330°F |
| Water Solubility | No rapid reaction with water. |
| Solubility | Insoluble in water, soluble in ethanol, ether, methanol. |
| Vapor Presure | 1 mm Hg ( 119 °C) |
| Vapor Density | 8.8 (vs air) |
| Appearance | White crystal |
| Specific Gravity | 0.7822 |
| Color | White |
| BRN | 1740138 |
| Storage Condition | room temp |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Flammable, easy to absorb moisture |
| Refractive Index | 1.4390 |
| MDL | MFCD00009007 |
| Use | Used as standard substance for chromatographic analysis |
Octadecane - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R66 - Repeated exposure may cause skin dryness or cracking R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S24 - Avoid contact with skin. S23 - Do not breathe vapour. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29011000 |
Octadecane - Introduction
Soluble in ethanol, ether, acetone and petroleum ether, insoluble in water.
Last Update：2022-10-16 17:26:45
Octadecane - Reference Information
| LogP | 9.32 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | n-Octa is a single n-alkane purified from renewable plant resources, with high purity and high enthalpy, chemical stability and other characteristics. It has a wide range of applications in the field of functional temperature regulating textiles, building energy efficiency and cold chain transportation. N-Octa is not only used as a phase change material, but also an environment-friendly, renewable, non-polar organic solvent with natural and pollution-free extraction of pure plants. It is an excellent substitute for mineral oil. |
| biological activity | Octadecane is an alkane used to store thermal energy as a phase change material at ambient temperature. |
| Use | can be used as a standard substance for chromatographic analysis. gas chromatography stationary liquid (the highest use temperature is 60 ℃, the solvent is petroleum ether, toluene), separation and analysis standards. |
| category | flammable liquid |
| explosive hazard characteristics | mixing with air to form an explosive mixture; |
| flammability hazard characteristics | flammable; Spicy and irritating smoke emitted from fire scene |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant |
| fire extinguishing agent | foam, dry powder, carbon dioxide |
| spontaneous combustion temperature | 455 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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